Folder Western Electric

Categories

Folder 740 PBX - All Documentation*

*BSPs are located in the BSP section

Folder 750 PBX - All Documentation

Note that applicable BSPs can be found in the BSP section under the 748-xxx-xxx division.

Folder 755 PBX - All Documentation

Note that applicable BSPs are filed under the "BSP" section in the 550-xxx-xxx division.

Folder CDs, SDs and T-drawings

CDs and SDs are currently located in several categories in the Library. Hint: search using the first five numeric digits of the document number.

Folder SD-CD-31592-CoinTrkCkt350-355-360A

CD-31592-02 and SD-31592-02 Coin Trunk Circuit

Folder SD-CD-33013-i4D-No1_350A_355A_360A_35-E-97_200_Point_Linefinder_Trunk_Finder_3-Wire

Step-by-Step Systems, No.1, 350A, 355A, 360A, or 35-E-97 200 Point Line or Trunk Finder 3 Wire

Folder SD-CD-65680-505-506-507-Switchboards

Applicable BSPs can be found in the 536-xxx-xxx Division

Folder WEco Switching Documents

General and introductory info on topics including Manual, Step-by-Step (SxS), Panel, Crossbar (Xbar) and ESS.

Documents

pdf WECo-701A-711A-Dial PBX Bc Popular

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WECo-701A-711A-Dial PBX_bc.pdf

WECo-701A-711A-Dial PBX Bc

Plant Training School (PTS) document. Details included in the formal drawings are omitted from this training drawing for reasons of emphasis.
711A/B are "satellite PBXs" without attendant equipment, typically connecting to other PBXs by tie trunks and to the public network by CO trunks.  The B versions are 2nd generation systems, using different circuits than shown in this document.
Includes SD-80643-011 5D Ringing Circuit, SD-66359-011 9D Selector Circuit, SD-66384-011 19D Misc. Alarm Circuit, SD-66410-011 Linefinder Circuit, SD-66143-011 16D Connector Circuit, SD-66414-011 9D Station Line Circuit, and SD-66607-011 4D Trunk Circuit.

pdf X-64282-i2-Transmission Measuring Equipment Popular

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X-64282-i2-Transmission_Measuring_Equipment.pdf

X-64282-i2-Transmission Measuring Equipment

Scanned and Contributed by Paul Wills.

KS-5472 1000 Cycle Machine

J94002 Sending Panel

9A Transmission Measuring Set

12A Transmission Measuring Set

J94020A Transmission Measuring Set

Loss Measuring Equipment

Gain Measuring Equipment

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Read the articles under "Introduction" in the black menu bar above.

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Thanks for new documents from Ed Palazzo, Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

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